Home / 18,057.10-27,084.78-6,212.05

Finding the Fourth Proportional to 18,057.10, 27,084.78 and 6,212.05

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Solution

The fourth proportional to 18,057.10, 27,084.78 and 6,212.05 is: 9,317.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,057.10 : 27,084.78 = 6,212.05 : x
  2. Step 2: Convert to fraction form
    18,057.10/27,084.78 = 6,212.05/x
  3. Step 3: Cross multiply
    18,057.10x = 27,084.78 × 6,212.05
  4. Step 4: Simplify right side
    18,057.10x = 168,252,007.60
  5. Step 5: Solve for x
    x = 168,252,007.60/18,057.10
  6. Step 6: Final answer
    x = 9,317.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.